what are these?

[anklecharm]

does anybody know what kind of points these are and how old they are? does anybody know the general value of them? the teardrop shaped one is gorgeous material, translucent. held up to the light its amberish color...  is the round one a preform??? the one beside it is the prettiest material of all my finds...very glassy, slick shiny smooth waxy looking translucent flint... as with all my other posts, all these were found in north texas



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[anklecharm]

this one too.... its different from the others... name? age? thanks so much